http://llvm.org/bugs/show_bug.cgi?id=16979
Bug ID: 16979
Summary: Bad machine code: Using an undefined physical register
Product: clang
Version: trunk
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
1. Source code (f.c) -- to be attached.
2. Command line:
clang -fpic -O2 -fstack-protector -c f.c
3. Output -- to be attached; snippets:
*** Bad machine code: Using an undefined physical register ***
- function: do_something
- basic block: BB#2 if.then (0x2adb0740)
- instruction: TCRETURNri %vreg11, 0, <regmask>, %ESP<imp-use>, %ECX<imp-use>;
GR32_TC:%vreg11
- operand 4: %ECX<imp-use>
clang version 3.4 (trunk ^/cfe/trunk 188999)
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